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INVESTMENT SECURITIES - Available for sale (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Mar. 31, 2022
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INVESTMENT SECURITIES |  |
Amortized Cost | $ 240,071 | $ 178,874
Gross Unrealized Gains | 28 | 57
Gross Unrealized Losses | (28,393) | (13,149)
Estimated Fair Value | 211,706 | 165,782
Municipal securities |  |
INVESTMENT SECURITIES |  |
Amortized Cost | 47,904 | 44,104
Gross Unrealized Gains | 15 | 14
Gross Unrealized Losses | (9,396) | (4,514)
Estimated Fair Value | 38,523 | 39,604
Agency securities |  |
INVESTMENT SECURITIES |  |
Amortized Cost | 93,745 | 43,848
Gross Unrealized Gains |  | 1
Gross Unrealized Losses | (7,084) | (3,144)
Estimated Fair Value | 86,661 | 40,705
Real estate mortgage investment conduits |  |
INVESTMENT SECURITIES |  |
Amortized Cost | 34,952 | 35,563
Gross Unrealized Gains |  | 1
Gross Unrealized Losses | (6,041) | (2,847)
Estimated Fair Value | 28,911 | 32,717
Residential mortgage-backed securities |  |
INVESTMENT SECURITIES |  |
Amortized Cost | 17,272 | 17,368
Gross Unrealized Gains |  | 13
Gross Unrealized Losses | (1,216) | (436)
Estimated Fair Value | 16,056 | 16,945
Other mortgage-backed securities |  |
INVESTMENT SECURITIES |  |
Amortized Cost | 46,198 | 37,991
Gross Unrealized Gains | 13 | 28
Gross Unrealized Losses | (4,656) | (2,208)
Estimated Fair Value | $ 41,555 | $ 35,811

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
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